Use And Care Manual

Dimensions
CALEFFI
L/MIN
4
3
2
1
A
C
B
A
3/4"
C
2
3/4”
B
3/4"
Code
669050
Weight (lb)
0.32
Flow meter series 669
Function
The flow meter is a device that is mounted on the return manifold of panel systems. It instantaneously displays the actual
flow values in each individual circuit during the balancing phase, making the balancing operations of the system easier and
more accurate.
Patented
1. Thermo-electric actuator, series 6561
2. Thermo-electric actuator with manual open handle, series 6563
3. Flow meter, code 669050
4. Self-adjusting Universal PEX fitting, series 680
5. Inspection wall box, series 659
6. Differential by-pass kit, code 668000
Technical specification
Materials: - body: brass
- measuring spring: stainless steel
- seals: EPDM
- transparent cylinder and internal protection: PSU
- float-indicator: POM/PTFE
Medium: water, glycol solutions
Max. percentage of glycol: 50%
Max. working pressure: 85 psi (6 bar)
Max. Temperature: NA Series: 210°F (98°C)
669050: 180°F (82°C)
Accuracy: ±10%
Dual readout scale
Connections: 3/4” M x 3/4” F nut
Product range
Code 669050 Flow meter 1 to 4 LPM High Size 3/4”
Code NA669150 Flow meter 1/4 to 1 GPM High Temperature Size 3/4”
Code NA669250 Flow meter 1/2 to 2 GPM High Temperature Size 3/4”
Code NA669450 Flow meter 1 to 4 GPM High Temperature Size 3/4”
1
2
3
4
L/MIN
1
2
3
4
L/MIN
HOBBY
CAMERA
CALEFFI
HOBBY
CAMERA
CALEFFI
1
2
3
4
L/MIN
1
2
3
4
L/MIN
WC
SOGGIORNO
WC
SOGGIORNO
1 23
CALEFFI
CALEFFI
CALEFFI
CALEFFI
6
45
MANIFOLDS AND ACCESSORIES
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